<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>更换头像</span>
            </div>
        </template>
        <el-row>
            <el-col :span="12">
                <el-upload
                        ref="uploadRef"
                        class="avatar-uploader"
                        :show-file-list="false"
                        :auto-upload="true"
                        action="/api/upload"
                        nam="file"
                        :headers="{'Authorization':tokenStore.token}"
                        :on-success="uploadSuccess"
                >
                    <el-image v-if="imgUrl" :src="imgUrl" class="avatar"/>
                    <el-image v-else src="avatar" width="278"/>
                </el-upload>
                <br/>
                <el-button type="primary" :icon="Plus" size="large"
                           @click="uploadRef.$el.querySelector('input').click()">
                    选择图片
                </el-button>
                <el-button type="success" :icon="Upload" size="large" @click="updateAvatar">
                    上传头像
                </el-button>
            </el-col>
        </el-row>
    </el-card>
</template>

<script setup>
    import {Plus, Upload} from '@element-plus/icons-vue'
    import {ref} from 'vue'
    import avatar from '@/assets/default.png'

    const uploadRef = ref()

    import useUserInfoStore from "@/stores/userInfo";
    import {useTokenStore} from "@/stores/token";
    import {userAvatarUpdateService} from "@/api/user";
    import {ElMessage} from "element-plus";

    const tokenStore = useTokenStore()
    const userInfoStore = useUserInfoStore();

    //用户头像地址
    const imgUrl = ref(userInfoStore.info.userPic);

    // 图片上传成功的回调函数
    const uploadSuccess = (result) => {
        imgUrl.value = result.data;
    }

    // 头像修改
    const updateAvatar = async () => {
        let result = await userAvatarUpdateService(imgUrl.value)

        ElMessage.success(result.message ? result.message : "修改成功");

        // 修改pinia中的数据
        userInfoStore.info.userPic = imgUrl.value;
    }

</script>

<style lang="scss" scoped>
  .avatar-uploader {
    :deep() {
      .avatar {
        width: 278px;
        height: 278px;
        display: block;
      }

      .el-upload {
        border: 1px dashed var(--el-border-color);
        border-radius: 6px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: var(--el-transition-duration-fast);
      }

      .el-upload:hover {
        border-color: var(--el-color-primary);
      }

      .el-icon.avatar-uploader-icon {
        font-size: 28px;
        color: #8c939d;
        width: 278px;
        height: 278px;
        text-align: center;
      }
    }
  }
</style>
